Sol Cap 02 - Edicion 8

COSMOS: Complete Online Solutions Manual Organization System
Chapter 2, Solution 38.
Σ F x :
R
x
=Σ F
x
( ) ( ) ( )
R = 600 N cos50° + 300 N cos85° − 700 N cos50°
x
R =− 38.132 N
x
Σ F y :
R
y
=Σ F
y
( ) ( ) ( )
R = 600 N sin 50°+ 300 N sin85° + 700 N sin50°
y
R y =
1294.72 N
( 38.132 N) ( 1294.72 N)
R = − +
R = 1295 N
1294.72 N
tanα =
38.132 N
α = 88.3°
2 2
R = 1.295 kN 88.3° !
Vector Mechanics for Engineers: Statics and Dynamics, 8/e, Ferdinand P. Beer, E. Russell Johnston, Jr.,
Elliot R. Eisenberg, William E. Clausen, David Mazurek, Phillip J. Cornwell
© 2007 The McGraw-Hill Companies.